1. Bajcsy-Zsilinszky Hospital, Department of Otolaryngology, Budapest, Hungary
2. University of Debrecen, Medical and Health Science Center, Department of Rheumatology, Debrecen, Hungary
3. University of Debrecen, Medical and Health Science Center, Department of Otolaryngology and Head and Neck Surgery, Nagyerdei Krt. 98, Debrecen 4032, Hungary